On 09/11/2014 08:02 PM, Ren, Qiaowei wrote:
> On 2014-09-11, Hansen, Dave wrote:
>> On 09/11/2014 01:46 AM, Qiaowei Ren wrote:
>>> + * This function will be called by do_munmap(), and the VMAs
>>> + covering
>>> + * the virtual address region start...end have already been split
>>> + if
>>> + * necessary and remvoed from the VMA list.
>>
>> "remvoed" -> "removed"
>>
>>> +void mpx_unmap(struct mm_struct *mm,
>>> + unsigned long start, unsigned long end) {
>>> + int ret;
>>> +
>>> + ret = mpx_try_unmap(mm, start, end);
>>> + if (ret == -EINVAL)
>>> + force_sig(SIGSEGV, current);
>>> +}
>>
>> In the case of a fault during an unmap, this just ignores the
>> situation and returns silently. Where is the code to retry the
>> freeing operation outside of mmap_sem?
>
> Dave, you mean delayed_work code? According to our discussion, it
> will be deferred to another mainline post.
OK, fine. Just please call that out in the description.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
